Finding the Fourth Proportional to 2,514.22, 3,771.42 and 870.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.22 : 3,771.42 = 870.82 : x
2. Step 2: Convert to fraction form
   2,514.22/3,771.42 = 870.82/x
3. Step 3: Cross multiply
   2,514.22x = 3,771.42 × 870.82
4. Step 4: Simplify right side
   2,514.22x = 3,284,227.96
5. Step 5: Solve for x
   x = 3,284,227.96/2,514.22
6. Step 6: Final answer
   x = 1,306.26